We asked, and you responded with stunning images of rainbows—and double rainbows—from travels through Hawaii, Europe, Brazil, the Caribbean, and even the Serengeti. Here are the best 15.
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Antarctica now lures 40,000 travelers a year—five times as many as in 1995. But more icebergs appear to have broken off the major ice shelves in recent years. The danger is rising that one of these growlers might strike a visiting ship. There have already been dangerous incidents.
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